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All results from a given calculation for CHFClCHFCl (1,2-dichloro-1,2-difluoroethane RR)

using model chemistry: CCSD(T)=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at CCSD(T)=FULL/cc-pVDZ
 hartrees
Energy at 0K-1195.775232
Energy at 298.15K-1195.778730
HF Energy-1194.776394
Nuclear repulsion energy375.603649
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CCSD(T)=FULL/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3138 3022        
2 A 1408 1356        
3 A 1296 1248        
4 A 1153 1111        
5 A 1087 1047        
6 A 841 810        
7 A 460 443        
8 A 313 301        
9 A 166 160        
10 A 81 78        
11 B 3147 3032        
12 B 1345 1295        
13 B 1225 1180        
14 B 1107 1066        
15 B 833 802        
16 B 432 416        
17 B 390 376        
18 B 335 322        

Unscaled Zero Point Vibrational Energy (zpe) 9377.6 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 9032.5 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CCSD(T)=FULL/cc-pVDZ
ABC
0.09684 0.06012 0.03856

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.226 0.732 0.403
C2 0.226 -0.732 0.403
H3 -1.324 0.807 0.360
H4 1.324 -0.807 0.360
F5 0.226 1.300 1.562
F6 -0.226 -1.300 1.562
Cl7 0.462 1.606 -0.990
Cl8 -0.462 -1.606 -0.990

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53281.10192.18541.36682.33951.78282.7323
C21.53282.18541.10192.33951.36682.73231.7828
H31.10192.18543.10212.02252.66352.37702.8967
H42.18541.10193.10212.66352.02252.89672.3770
F51.36682.33952.02252.66352.63982.58093.9283
F62.33951.36682.66352.02252.63983.92832.5809
Cl71.78282.73232.37702.89672.58093.92833.3418
Cl82.73231.78282.89672.37703.92832.58093.3418

picture of 1,2-dichloro-1,2-difluoroethane RR state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 111.035 C1 C2 F6 107.444
C1 C2 Cl8 110.765 C2 C1 H3 111.035
C2 C1 F5 107.444 C2 C1 Cl7 110.765
H3 C1 F5 109.556 H3 C1 Cl7 108.669
H4 C2 F6 109.556 H4 C2 Cl8 108.669
F5 C1 Cl7 109.349 F6 C2 Cl8 109.349
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability